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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 329 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.66² =
  2. 2.16² =
  3. 3.63² =
  4. 4.32² =
  5. 5.21² =
  6. 6.77² =
  7. 7.77² =
  8. 8.44² =
  9. 9.21² =
  10. 10.15² =
  11. 11.43² =
  12. 12.44² =
  13. 13.51² =
  14. 14.91² =
  15. 15.26² =
  16. 16.71² =
  17. 17.86² =
  18. 18.16² =
  19. 19.84² =
  20. 20.61² =
  21. 21.15² =
  22. 22.38² =
  23. 23.59² =
  24. 24.32² =
  25. 25.11² =
  26. 26.33² =
  27. 27.25² =
  28. 28.61² =
  29. 29.58² =
  30. 30.46² =
  31. 31.65² =
  32. 32.44² =
  33. 33.65² =
  34. 34.33² =
  35. 35.17² =
  36. 36.34² =
  37. 37.29² =
  38. 38.25² =
  39. 39.89² =
  40. 40.91² =

Answer key

  1. 4356
  2. 256
  3. 3969
  4. 1024
  5. 441
  6. 5929
  7. 5929
  8. 1936
  9. 441
  10. 225
  11. 1849
  12. 1936
  13. 2601
  14. 8281
  15. 676
  16. 5041
  17. 7396
  18. 256
  19. 7056
  20. 3721
  21. 225
  22. 1444
  23. 3481
  24. 1024
  25. 121
  26. 1089
  27. 625
  28. 3721
  29. 3364
  30. 2116
  31. 4225
  32. 1936
  33. 4225
  34. 1089
  35. 289
  36. 1156
  37. 841
  38. 625
  39. 7921
  40. 8281

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